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<p>Reports methods that lack the first parameter that is usually
  named <code>self</code>.</p>
<p><b>Example:</b></p>
<pre><code>
class Movie:

   def show():
       pass
</code></pre>
<p>When the quick-fix is applied, the code changes to:</p>
<pre><code>
class Movie:

   def show(self):
       pass
</code></pre>
<p>The inspection also reports naming issues in class methods.</p>
<p><b>Example:</b></p>
<pre><code>
class Movie:
    @classmethod
    def show(abc):
        pass
</code></pre>
<p>Since the first parameter of a class method should be <code>cls</code>, the IDE provides a quick-fix
  to rename it.</p>
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